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Detecting iOS / Android Operating system
...is question has come up, but not in the way I intend. I'm building a page for a client that is a QR code landing, which is a place to download an application. So he doesn't have to print out 2 QR codes on a page, I'd like to detect the current operating system (Apple/Android/Other[not supported]) ...
Getting a Custom Objects properties by string var [duplicate]
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if you want something to work for nested objects and you can use lodash something like _.map([object], _.property(propertyPath))[0]; would work.
– bobwah
Mar 23 '17 at 10:24
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Rails hidden field undefined method 'merge' error
...e also write <%= hidden_field_tag :service, "test" %> when not using form_for |f| ...
– Augustin Riedinger
Sep 24 '14 at 13:30
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PCH File in Xcode 6
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Add the pch file which is under Others in File-New...and don't forget to add it to your LLVM6.0 - Language section of Build Settings as Project/whateveryounamedyourpchfile.pch
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im...
convert '1' to '0001' in JavaScript [duplicate]
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This is a clever little trick (that I think I've seen on SO before):
var str = "" + 1
var pad = "0000"
var ans = pad.substring(0, pad.length - str.length) + str
JavaScript is more forgiving than some languages if the second argument to substring is negative so it will "overflow corre...
Looping over a list in Python
...ual to 3.
>>> mylist = [[1,2,3],[4,5,6,7],[8,9,10]]
>>> for x in mylist:
... if len(x)==3:
... print x
...
[1, 2, 3]
[8, 9, 10]
or if you need more pythonic use list-comprehensions
>>> [x for x in mylist if len(x)==3]
[[1, 2, 3], [8, 9, 10]]
>>>
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What's the common practice for enums in Python? [duplicate]
What's the common practice for enums in Python? I.e. how are they replicated in Python?
4 Answers
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Add custom headers to WebView resource requests - android
...EVERY request coming from the WebView. I know loadURL has the parameter for extraHeaders , but those are only applied to the initial request. All subsequent requests do not contain the headers. I have looked at all overrides in WebViewClient , but nothing allows for adding headers to resource...
What are the Ruby File.open modes and options?
...only, truncates existing file
| to zero length or creates a new file for writing.
-----+--------------------------------------------------------
"w+" | Read-write, truncates existing file to zero length
| or creates a new file for reading and writing.
-----+-----------------------------...
Hibernate: Automatically creating/updating the db tables based on entity classes
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Sometimes depending on how the configuration is set, the long form and the short form of the property tag can also make the difference.
e.g. if you have it like:
<property name="hibernate.hbm2ddl.auto" value="create"/>
try changing it to:
<property name="hibernate.hbm2ddl....